863883 has 6 divisors (see below), whose sum is σ = 1247844. Its totient is φ = 575916.

The previous prime is 863879. The next prime is 863887. The reversal of 863883 is 388368.

It is an interprime number because it is at equal distance from previous prime (863879) and next prime (863887).

It is not a de Polignac number, because 863883 - 2² = 863879 is a prime.

It is not an unprimeable number, because it can be changed into a prime (863887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 47985 + ... + 48002.

It is an arithmetic number, because the mean of its divisors is an integer number (207974).

2⁸⁶³⁸⁸³ is an apocalyptic number.

863883 is a deficient number, since it is larger than the sum of its proper divisors (383961).

863883 is a wasteful number, since it uses less digits than its factorization.

863883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95993 (or 95990 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 863883 is about 929.4530649796. The cubic root of 863883 is about 95.2397637128.

It can be divided in two parts, 86 and 3883, that added together give a square (3969 = 63²).

The spelling of 863883 in words is "eight hundred sixty-three thousand, eight hundred eighty-three".